a blanket or other familiar item carried especially by a young child to provide reassurance and a feeling of psychological security.
someone or something that gives a person a sense of protection or a feeling of security: His wealthy uncle is his security blanket.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use security blanket in a sentence
Whether driving through wildfire smoke or putting out fires at work, I’ve turned to the Wynd Plus as a sort of security blanket.The gifts Popular Science wants this holiday season | Mike Epstein and PopSci Staff | November 18, 2021 | Popular-Science
I kept going, thankful I had trekking poles, both as life support and security blanket.The Rut Is Quite Possibly America’s Most Challenging 50K | jversteegh | October 5, 2021 | Outside Online
Spurred by ATT, the company is telling customers that it can be their security blanket when it comes to protecting their privacy online.A lull in the enforcement of Apple’s privacy safeguards causes confusion over fingerprinting | Seb Joseph | May 27, 2021 | Digiday
He has become the engine of the Chiefs’ relentless offense, both bulldozer and security blanket for Patrick Mahomes.Travis Kelce is the best tight end in football. Just ask any NFL player. | Adam Kilgore | February 4, 2021 | Washington Post
With Mikkelsen as his security blanket, Arcel could cast the other two roles with new faces.
I don't like it any more than you do, disliking Bush was my ideological security blanket.
I like that The Aniston spent the first three years after her breakup walking around wrapped in a giant pashmina security blanket.
British Dictionary definitions for security blanket
a policy of temporary secrecy by police or those in charge of security, in order to protect a person, place, etc, threatened with danger, from further risk
a baby's blanket, soft toy, etc, to which a baby or young child becomes very attached, using it as a comforter
informal anything used or thought of as providing reassurance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with security blanket
Something that dispels anxiety, as in I always carry my appointments calendar; it's my security blanket. This colloquial term, dating from about 1960, was at first (and still is) used for the blanket or toy or other object held by a young child to reduce anxiety.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.